经过多年的练习，他成为了一名职业足球运动员。

After years of practice, he became a ___professional footballer.

她是一名职业音乐家，在音乐会上表演。

She is a ___professional musician and performs in concerts.

我遇到一个人，他的父亲是一名职业足球运动员。

I met someone whose father is a ___professional football player.